JAMECO ELECTRONIC COMPONENTS
============================

   JE1078

   Card Type          Multi I/O card                              
   Chipset/Controller Unidentified                                
   I/O Options        Game port, memory, parallel port, serial    
                      port                                        
   Maximum DRAM       384KB                                       

<gopher://bitreich.org/I/th99/i/I-L/50248-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Purpose       | Location |     Purpose     | Location |
   |--------------------+----------+-----------------+----------|
   | Serial port        |    J1    | Game port       |    J3    |
   |--------------------+----------+-----------------+----------|
   | Parallel port      |    J2    |                 |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   |        Port 1 (J1)         |              JP2              |
   |----------------------------+-------------------------------|
   |>>   |         COM1         |       Pins 2 & 3 closed       |
   |-----+----------------------+-------------------------------|
   |     |         COM2         |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |        SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION        |
   |------------------------------------------------------------|
   |          Port 1          |               JP4               |
   |--------------------------+---------------------------------|
   |>> |        Normal        | Pins 1 & 4, 2 & 5, 3 & 6 closed |
   |---+----------------------+---------------------------------|
   |   |     Forced True      | Pins 4 & 7, 5 & 8, 6 & 9 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT INTERRUPT SELECTION               |
   |------------------------------------------------------------|
   |           Port 1           |              JP1              |
   |----------------------------+-------------------------------|
   |>>  |         IRQ4          |       Pins 3 & 4 closed       |
   |----+-----------------------+-------------------------------|
   |    |         IRQ3          |       Pins 2 & 4 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |   LPT   |   IRQ7    | JP1/Pins 13 & 14 |        JP2        |
   |---------+-----------+------------------+-------------------|
   |>> |  1  |  Enabled  |      Closed      | Pins 5 & 6 closed |
   |---+-----+-----------+------------------+-------------------|
   |   |  2  | Disabled  |       Open       | Pins 4 & 5 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                CLOCK/CALENDAR CONFIGURATION                |
   |------------------------------------------------------------|
   |     Select      |  I/O Port Address  |         JP2         |
   |-----------------+--------------------+---------------------|
   |>> |   Clock 2   |    2C0h - 2DFh     |  Pins 7 & 8 closed  |
   |---+-------------+--------------------+---------------------|
   |   |   Clock 1   |    340h - 35Fh     |  Pins 8 & 9 closed  |
   |---+-------------+--------------------+---------------------|
   |   |  Disabled   |        N/A         |        Open         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             CLOCK/CALENDAR INTERRUPT SELECTION             |
   |------------------------------------------------------------|
   |            IRQ             |              JP1              |
   |----------------------------+-------------------------------|
   |             4              |       Pins 5 & 6 closed       |
   |----------------------------+-------------------------------|
   |             5              |       Pins 7 & 8 closed       |
   |----------------------------+-------------------------------|
   |             7              |      Pins 9 & 10 closed       |
   |----------------------------+-------------------------------|
   |             2              |      Pins 11 & 12 closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |Size |Bank 0|Bank |Bank |Bank |Bank |Bank |SW1/4|SW1/5|SW1/6|
   |     |      |  1  |  2  |  3  |  4  |  5  |     |     |     |
   |-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
   |64KB | (9)  |None |None |None |None |None | Off | Off | Off |
   |     | 4164 |     |     |     |     |     |     |     |     |
   |-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
   |128KB| (9)  | (9) |None |None |None |None | Off | Off | On  |
   |     | 4164 |4164 |     |     |     |     |     |     |     |
   |-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
   |192KB| (9)  | (9) | (9) |None |None |None | Off | On  | Off |
   |     | 4164 |4164 |4164 |     |     |     |     |     |     |
   |-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
   |256KB| (9)  | (9) | (9) | (9) |None |None | On  | Off | Off |
   |     | 4164 |4164 |4164 |4164 |     |     |     |     |     |
   |-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
   |320KB| (9)  | (9) | (9) | (9) | (9) |None | On  | Off | On  |
   |     | 4164 |4164 |4164 |4164 |4164 |     |     |     |     |
   |-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
   |384KB| (9)  | (9) | (9) | (9) | (9) | (9) | On  | On  | Off |
   |     | 4164 |4164 |4164 |4164 |4164 |4164 |     |     |     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |           STARTING MEMORY ADDRESS CONFIGURATION            |
   |------------------------------------------------------------|
   | Starting Address |   Max. RAM on   | SW1/1 | SW1/2 | SW1/3 |
   |                  |     JE1078      |       |       |       |
   |------------------+-----------------+-------+-------+-------|
   |   0KB (:00000)   |      384KB      |  Off  |  Off  |  Off  |
   |------------------+-----------------+-------+-------+-------|
   |  64KB (:10000)   |      384KB      |  Off  |  Off  |  On   |
   |------------------+-----------------+-------+-------+-------|
   |  128KB (:20000)  |      384KB      |  Off  |  On   |  Off  |
   |------------------+-----------------+-------+-------+-------|
   |  192KB (:30000)  |      384KB      |  Off  |  On   |  On   |
   |------------------+-----------------+-------+-------+-------|
   |  256KB (:40000)  |      384KB      |  On   |  Off  |  Off  |
   |------------------+-----------------+-------+-------+-------|
   |  320KB (:50000)  |      320KB      |  On   |  Off  |  On   |
   |------------------+-----------------+-------+-------+-------|
   |  384KB (:60000)  |      256KB      |  On   |  On   |  Off  |
   |------------------+-----------------+-------+-------+-------|
   |  448KB (:70000)  |      192KB      |  On   |  On   |  On   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    PARITY CONFIGURATION                    |
   |------------------------------------------------------------|
   |             Setting             |           JP3            |
   |---------------------------------+--------------------------|
   |>> |           Enabled           |          Closed          |
   |---+-----------------------------+--------------------------|
   |   |          Disabled           |           Open           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             FACTORY CONFIGURED - DO NOT ALTER              |
   |------------------------------------------------------------|
   |           Jumper            |           Position           |
   |-----------------------------+------------------------------|
   |             JP5             |             N/A              |
   +------------------------------------------------------------+